Improve usability of supplier selection for stock_articles in delivery form

app/views/deliveries/_form.html.haml

@@ -44,7 +44,7 @@
           $.ajax({
             url: '#{new_stock_article_path}',
             type: 'get',
-            data: {stock_article: {name: selectedArticle.text}},
+            data: {stock_article: {name: selectedArticle.text, supplier_id: #{@supplier.id}}},
             contentType: 'application/json; charset=UTF-8'
           });
           $('#new_stock_article').select2('data', null);

app/views/deliveries/form_on_stock_article_create.js.erb

@@ -1,12 +1,31 @@
 // Handle more advanced DOM update after AJAX database manipulation.
 // See publish/subscribe design pattern in /doc.
-(function() {
+(function(w) {
+  
   $('#stock_articles_for_adding tr').removeClass('success');
   
+  if(<%= @supplier.id != @stock_article.supplier.id %>) {
+    // the stock_article does _NOT_ belong to the current supplier
+    var try_again = w.confirm('<%= j(
+      t('deliveries.form.confirm_foreign_supplier_reedit', :name => @stock_article.name)
+    ) %>');
+    
+    if(try_again) {
+      $.ajax({
+        url: '<%= j edit_stock_article_path(@stock_article) %>',
+        type: 'get',
+        contentType: 'application/json; charset=UTF-8'
+      });
+    }
+    
+    return false;
+  }
+  
+  // the stock_article _DOES_ belong to the current supplier
   var stock_article_for_adding = $(
     '<%= j(render(:partial => 'stock_article_for_adding', :locals => {:article => @stock_article})) %>'
   ).addClass('success');
   
   $('#stock_articles_for_adding tbody').append(stock_article_for_adding);
   updateSort('#stock_articles_for_adding');
-})();
+})(window);

app/views/deliveries/form_on_stock_article_update.js.erb

@@ -1,16 +1,35 @@
 // Handle more advanced DOM update after AJAX database manipulation.
 // See publish/subscribe design pattern in /doc.
-(function() {
+(function(w) {
   // update entry in stock_article table
   
   $('#stock_articles_for_adding tr').removeClass('success');
   
+  $('#stock_article_<%= @stock_article.id %>').remove();
+  
+  if(<%= @supplier.id != @stock_article.supplier.id %>) {
+    // the stock_article does _NOT_ belong to the current supplier
+    var try_again = w.confirm('<%= j(
+      t('deliveries.form.confirm_foreign_supplier_reedit', :name => @stock_article.name)
+    ) %>');
+    
+    if(try_again) {
+      $.ajax({
+        url: '<%= j edit_stock_article_path(@stock_article) %>',
+        type: 'get',
+        contentType: 'application/json; charset=UTF-8'
+      });
+    }
+  }
+  else {
+    // the stock_article _DOES_ belong to the current supplier
     var stock_article_for_adding = $(
       '<%= j(render(:partial => 'stock_article_for_adding', :locals => {:article => @stock_article})) %>'
     ).addClass('success');
     
-  $('#stock_article_<%= @stock_article.id %>').replaceWith(stock_article_for_adding);
+    $('#stock_articles_for_adding tbody').append(stock_article_for_adding);
     updateSort('#stock_articles_for_adding');
+  }
   
   mark_article_for_delivery(<%= @stock_article.id %>);
   
@@ -25,4 +44,4 @@
   stock_change_entry.addClass('success');
   
   updateSort('#stock_changes');
-})();
+})(window);

config/locales/de.yml

@@ -413,6 +413,7 @@ de:
       actions: Optionen
       article: Artikel
       category: Kategorie
+      confirm_foreign_supplier_reedit: Der Lagerartikel »%{name}« wurde erfolgreich gespeichert. Er gehört jedoch nicht zu dem Lieferanten dieser Lieferung. Möchtest Du diesen Lagerartikel erneut bearbeiten?
       create_from_blank: Ohne Vorlage anlegen
       create_stock_article: Lagerartikel anlegen
       price: Nettopreis

config/locales/en.yml

@@ -415,6 +415,7 @@ en:
       actions: Tasks
       article: Article
       category: Category
+      confirm_foreign_supplier_reedit: The stock article %{name} was successfully saved. However, it belongs to a different supplier than this delivery. Would you like to edit the stock article again?
       create_from_blank: Create new article
       create_stock_article: Create stock article
       price: Netprice